122311022131523 has 2 divisors, whose sum is σ = 122311022131524. Its totient is φ = 122311022131522.

The previous prime is 122311022131499. The next prime is 122311022131537. The reversal of 122311022131523 is 325131220113221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122311022131523 - 2⁴⁰ = 121211510503747 is a prime.

It is a super-2 number, since 2×122311022131523² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122311022133523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155511065761 + 61155511065762.

It is an arithmetic number, because the mean of its divisors is an integer number (61155511065762).

Almost surely, 2^{122311022131523} is an apocalyptic number.

122311022131523 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311022131523 is an equidigital number, since it uses as much as digits as its factorization.

122311022131523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 122311022131523 its reverse (325131220113221), we get a palindrome (447442242244744).

The spelling of 122311022131523 in words is "one hundred twenty-two trillion, three hundred eleven billion, twenty-two million, one hundred thirty-one thousand, five hundred twenty-three".